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fix(ledc): updated docs for esp32h2 eco5 bugfix

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Song Ruo Jing
2024-12-20 19:17:08 +08:00
parent 3f69abdb7e
commit 351e11ebd2
4 changed files with 10 additions and 2 deletions
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components/esp_driver_ledc/src/ledc.c
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@@ -867,7 +867,7 @@ esp_err_t ledc_channel_config(const ledc_channel_config_t *ledc_conf)
/*set channel parameters*/
/* channel parameters decide how the waveform looks like in one period */
/* set channel duty and hpoint value, duty range is [0, (2**duty_res)], hpoint range is [0, (2**duty_res)-1] */
/* Note: On ESP32, ESP32S2, ESP32S3, ESP32C3, ESP32C2, ESP32C6, ESP32H2, ESP32P4, due to a hardware bug,
/* Note: On ESP32, ESP32S2, ESP32S3, ESP32C3, ESP32C2, ESP32C6, ESP32H2 (rev < 1.2), ESP32P4, due to a hardware bug,
* 100% duty cycle (i.e. 2**duty_res) is not reachable when the binded timer selects the maximum duty
* resolution. For example, the max duty resolution on ESP32C3 is 14-bit width, then set duty to (2**14)
* will mess up the duty calculation in hardware.